maint(.mailmap): add @dPys to git email list [skip ci]

oesteban · oesteban · commit 3a4d8660e8fa · 2019-11-05T09:09:59.000-08:00
diff --git a/.mailmap b/.mailmap
@@ -2,6 +2,8 @@ Anisha Keshavan <akeshavan@gmail.com> <akeshavan@ucla.edu>
 Anisha Keshavan <akeshavan@gmail.com> <keshavan@berkeley.edu>
 Ariel Rokem <arokem@berkeley.edu>
 Ariel Rokem <arokem@berkeley.edu> <arokem@gmail.com>
+Derek Pilsner <dpisner@utexas.edu>
+Derek Pilsner <dpisner@utexas.edu> dPys <dpisner@utexas.edu>
 Garikoitz Lerma-Usabiaga <garikoitz@gmail.com> garikoitz <garikoitz@gmail.com>
 Michael Joseph <josephmje.22@gmail.com> mjoseph <josephmje.22@gmail.com>
 Oscar Esteban <code@oscaresteban.es>

-Original file line number
+Diff line change
 Anisha Keshavan <[email protected]> <[email protected]>
 Ariel Rokem <[email protected]>
 Ariel Rokem <[email protected]> <[email protected]>
 +Derek Pilsner <[email protected]>
 +Derek Pilsner <[email protected]> dPys <[email protected]>
 Garikoitz Lerma-Usabiaga <[email protected]> garikoitz <[email protected]>
 Michael Joseph <[email protected]> mjoseph <[email protected]>
 Oscar Esteban <[email protected]>